public void Serialize(ISerializableData serializableDataManager, uint version)
{
Serializer serializer;
if (!Serializers.TryGetValue(version, out serializer))
{
throw new InvalidOperationException($"No Serializer with version {version} found!");
}
DebugLog.Message("Serialize version {0}", version);
if (serializer.ShouldDeleteData())
{
DebugLog.Info($"Deleting saved data because serializer version {version} requested deletion.");
serializableDataManager.EraseData(Id);
}
else
{
var data = serializer.SerializeData();
if (data == null)
{
DebugLog.Info($"No data to serialize (-> delete data if present)");
serializableDataManager.EraseData(Id);
}
else
{
var bytesVersion = BitConverter.GetBytes(version);
var dataWithVersion = bytesVersion.Concat(data).ToArray();
serializableDataManager.SaveData(Id, dataWithVersion);
DebugLog.Message("Serialized {0} bytes", dataWithVersion.Length - 4);
}
}
}
public static void DeleteAllData(ISerializableData serializableDataManager)
{
// test for contains is unnecessary
if (Contains(Id, serializableDataManager))
{
Log.Info($"Removing data with ID {Id}");
serializableDataManager.EraseData(Id);
}
}
public void Deserialize(ISerializableData serializableDataManager)
{
if (!Contains(Id, serializableDataManager))
{
DebugLog.Message("Save does not contain data with id {0}", Id);
return;
}
var data = serializableDataManager.LoadData(Id);
DebugLog.Message("Read {0} bytes for Id {1}", data.Length, Id);
const int versionLength = 4;
Debug.Assert(data.Length > versionLength);
if (data.Length < versionLength)
{
throw new InvalidOperationException($"Data with id {Id} should be at least {versionLength} bytes long, but is only {data.Length}B");
}
var version = BitConverter.ToUInt32(data.Take(versionLength).ToArray(), 0);
DebugLog.Message("Deserializer version {0}", version);
Serializer serializer;
if (!Serializers.TryGetValue(version, out serializer))
{
throw new InvalidOperationException($"No Serializer with version {version} found!");
}
if (serializer.ShouldDeleteData())
{
Log.Info($"Deleting saved data because serializer version {version} requested deletion.");
serializableDataManager.EraseData(Id);
}
else
{
var rData = data.Skip(versionLength).ToArray();
serializer.DeserializeData(rData);
DebugLog.Message("Deserialized {0} bytes", rData.Length);
}
}